EP3828100A1 - Stopper for a container - Google Patents
Stopper for a container Download PDFInfo
- Publication number
- EP3828100A1 EP3828100A1 EP19212483.2A EP19212483A EP3828100A1 EP 3828100 A1 EP3828100 A1 EP 3828100A1 EP 19212483 A EP19212483 A EP 19212483A EP 3828100 A1 EP3828100 A1 EP 3828100A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- stopper
- segments
- container
- jacket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 description 20
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 230000035515 penetration Effects 0.000 description 8
- 239000012528 membrane Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5082—Test tubes per se
- B01L3/50825—Closing or opening means, corks, bungs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
- B65D39/0052—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in more than one piece
- B65D39/007—Plastic cap-shaped hollow plugs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
- B65D39/0005—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in one piece
- B65D39/0023—Plastic cap-shaped hollow plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/141—Preventing contamination, tampering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/04—Closures and closing means
- B01L2300/041—Connecting closures to device or container
- B01L2300/044—Connecting closures to device or container pierceable, e.g. films, membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2539/00—Details relating to closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
- B65D2539/001—Details of closures arranged within necks or pouring opening or in discharge apertures, e.g. stoppers
- B65D2539/005—Details of closures arranged within necks or pouring opening or in discharge apertures, e.g. stoppers provided with slits or gaps for increasing the elasticity
Definitions
- the present invention relates to a stopper for a container, in particular a stopper for containers which are used in the analytical and diagnostic field.
- the container can in particular be a bottle or a cuvette.
- the substance to be analyzed is removed from the container by means of a pipetting device or a syringe or further substances are added to the container.
- the process of removing the substance from the container can be automated, for example by means of an automatic pipetting device.
- a stopper for a container which has a cover section which can be penetrated by means of a pipette tip for the purpose of supplying or removing substance into the container or from the container.
- the cover section has a plurality of slots at a front end in the insertion direction of the stopper, thus facing the interior of the container, whereby segments are formed. In a basic state, the segments rest against one another and form a closed cover section.
- the slots enable the cover section to be axially penetrated by the pipette tip, the segments being deformed radially outward for this purpose.
- the segments are pretensioned in such a way that after the pipette tip has been pulled out of the cover section, the segments return to their basic state and thus close the container opening again.
- the disadvantage of the EP 0 097 591 A1 known stopper is, on the one hand, that when the stopper is inserted, an undesirable deformation of the segments can occur due to the interaction of the stopper with a container wall.
- the production of the stopper is complex because of the slitting that has to be introduced.
- there is Force acting on the cover section the risk of changing the position of the stopper in the container.
- the object of the present invention is to create a stopper for a container which reliably prevents the evaporation of substance from a container or the penetration of foreign bodies into the container and yet a simple supply of substance in the container or removal of substance from the Container allows.
- the stopper should be able to be produced particularly easily, in particular by means of an injection molding process. In particular, it should be possible to manufacture the stopper without subsequent slitting.
- the stopper according to the invention has a jacket section that can be introduced into the container, the jacket section having a through opening formed in an axial direction.
- the stopper has at least two segments, the respective segment having a free end.
- a first section of the free end of the respective segment forms a partial area of the jacket section and a second section of the free end of the respective segment protrudes radially inwardly with respect to the jacket section.
- a third section of the free end of the respective segment protrudes radially on the outside with respect to the jacket section.
- the second sections form a cover section which can be penetrated in the axial direction and closes the through opening, and the third sections form a contact section of the plug.
- the segments in the area of the free ends can be deformed or moved independently of one another.
- the second sections of the free end of the respective segment are deformable independently of the second sections of the free ends of the other segments, which enables axial penetration of the cover section, for example by means of a pipette tip or a needle or some other removal element / feed element.
- the stopper can be positioned in a simple manner with respect to the container, since the contact section forms a stop when the stopper is inserted into the container of the stopper in the container comes to rest against a container edge enclosing a container opening in the axial direction and in this respect prevents further insertion of the stopper into the container or limits the insertion depth.
- the contact section is also advantageous with regard to penetration of the cover section by means of an external device, for example a pipette tip, since an axial force has to be exerted on the cover section during penetration. The contact section prevents undesired further insertion of the stopper into the container and thus ensures reliable penetration of the cover section.
- the second sections it is considered particularly advantageous if the second sections can be deformed independently of the other sections of the respective segment.
- the second sections have a smaller material thickness than the third sections. As a result, deformation of the second sections when an axial force acts on the cover section is favored compared to deformation of the contact section.
- the cover section is formed at a rear end of the jacket section in the direction of insertion of the plug. This prevents foreign bodies from collecting on the jacket section in an area of the through opening facing away from the interior of the container and from getting into the interior of the container when the cover section is pierced.
- the segments are preferably connected to adjacent segments at the end of the segments.
- the segments join together in the area of an end of the jacket section facing away from the contact section are connected. To this extent, the segments are connected to one another in the region of an end of the jacket section which is front in the direction of insertion of the plug.
- the region of the jacket section in which the segments are connected to one another is preferably designed as an annular, closed structure. This ensures a particularly high stability of the connection between the segments and the plug as a whole.
- a closed ring-shaped structure is also viewed as advantageous, in particular with regard to ejection of the stopper from an injection molding tool.
- the segments are preferably formed like a web.
- the jacket section has a region with a cross section that widens in the direction of the contact section or the jacket section has a cross section that widens in the direction of the contact section. It is considered to be particularly advantageous if the enlargement is conical. Because of the widening cross-section, when the stopper is inserted into the container, deformation of the free end of the respective segment in a radially inward direction is promoted. Due to the deformation radially inward, a particularly good sealing of the container opening is achieved and, in addition, a force fit between the stopper and a container wall is achieved, whereby the stopper is held particularly securely in the container.
- the cover section and / or the contact section are preferably formed at the end of the jacket section.
- cover section and the contact section are formed in the same plane.
- the cover section and / or the contact section are preferably formed perpendicular to the axial direction.
- the cover section and / or the contact section are formed on a rear end of the jacket section in the insertion direction of the plug.
- a ratio of an axial extension of the first section of the segments to an axial extension of the jacket section is at least 80 percent.
- the free ends of adjacent segments are spaced apart from one another in a basic state of the plug.
- the basic state is understood to mean a state of the plug without the action of external forces.
- a minimum distance between adjacent segments is at least 0.8 mm, in particular at least 1.0 mm. These distances are advantageous with regard to the production of the stopper by means of an injection molding process.
- the stopper is preferably designed to be radially symmetrical.
- the respective segment is designed as a partial area of a body of revolution, an axis of rotation that can be assigned to the body of revolution of the respective segment extends outside an axis of symmetry of the plug.
- the respective axis of rotation preferably extends outside and parallel to the axis of symmetry of the stopper.
- the stopper has at least three segments, preferably at least four segments, in particular at least six segments.
- the number of segments allows the force to be applied to penetrate the cover section to be adapted in a simple manner. The more segments the plug has, the lower the force to be applied.
- the second sections form a closed surface when the segments are deformed radially inward.
- stopper is made in one piece.
- the segments are preferably made of an elastic material.
- the material can be, for example, a thermoplastic elastomer, for example polyethylene.
- the second sections form sectors of a circle in a plan view in the axial direction. It is also considered to be advantageous if the third sections form circular ring sectors of a circular ring in the axial direction in a plan view.
- the stopper in combination with a cover that can be connected to the container.
- the lid has an opening for the purpose of access to the cover section, the lid securing the stopper against being pulled out of the container.
- the Figures 1 to 7 show a first embodiment of the stopper 1 according to the invention.
- the stopper 1 is used to close a container 2, the container 2 in the present case being designed as a bottle.
- the container 2 has a threaded bottle neck, the stopper 1 being inserted into an opening in the bottle neck.
- the stopper 1 thus serves to close the opening of the container 2 in order to avoid evaporation of substances stored in the interior of the container and also to prevent foreign bodies from penetrating into the interior of the container.
- the stopper 1 enables a suitable device, for example a pipette tip, to penetrate the stopper 1 in order to remove substances from the interior of the container or to supply them to the interior of the container, the stopper 1 being designed in such a way that that, after the application of force by the device has ended, the container opening is closed again by the stopper 1.
- a suitable device for example a pipette tip
- the stopper 1 has a casing section 3 that can be introduced into the container 2, the casing section 3 having a through opening 4 formed in an axial direction Z.
- the stopper 1 has three segments 5, the respective segment 5 having a free end.
- the segments 5 are connected to one another at their other end, in the present case in the region of an end of the jacket section 3 which is front in the insertion direction of the plug 1.
- the area in which the segments 5 are connected to one another is designed as an annular closed structure 12, such as in particular the Fig. 6 can be found.
- the free The end of the respective segment 5 has a first section 6, a second section 7 and a third section 8.
- the first section 6 of the free end of the respective segment 5 forms a partial area of the jacket section 3.
- the second section 7 protrudes radially on the inside opposite the jacket section 3, thus protruding into the area of the through opening 4, and the third section 8 faces radially outside the jacket section 3 protrudes.
- the second sections 7 form a cover section 9 of the plug 1, the cover section 9 closing the through opening 4 in the axial direction Z, as in particular the Figs. 1 to 3 can be found. Since the second sections 7 are not directly connected to one another due to the segmentation and can thus be deformed independently of one another, the cover section 9 can be penetrated in the axial direction Z, for example by means of a pipette tip.
- the third sections 8 of the segments 5 form a contact section 10 of the stopper 1, the contact section 10 coming to rest on a container edge of the container 2 in the axial direction Z when the stopper 1 is inserted into the container 2, whereby the contact section 10 makes a further insertion of the stopper 1 in the container 2 prevents how the Figure 3 can be found.
- the contact section 10 of the stopper 1 is also advantageous with regard to the penetration of the cover section 9, since the contact section 10 prevents the force applied to the cover section 9 for penetration from pushing the stopper 1 further into the container 2 instead of penetrating the cover section 9 or the to deform second sections 7.
- the second sections 7 have a smaller material thickness than the third sections 8. This advantageously reduces the rigidity or the force that is necessary to penetrate the cover section 9, while the overall stability of the plug is nevertheless high 1.
- the material thickness of the second sections 7 is also less than the material thickness of the first sections 6.
- the jacket section 3 has an area with a cross section that widens conically in the direction of the contact section 10.
- the widening cross section promotes the fact that the segments 5 move radially inward when the stopper 1 is inserted into the container deform like this in the Fig. 3 is shown.
- the free ends of adjacent segments 5 are spaced apart from one another in a basic state of the plug 1.
- the Figures 4 to 7 show the stopper 1 in such a basic state.
- the plug 1 has three slots which separate the segments 5 from one another and extend in the axial direction and in the radial direction, the respective slot extending radially inward from radially outside in the direction of a common center. Furthermore, the slots extend from one of the rear end 15 of the stopper 1 in the direction of a front end 11 of the stopper 1 as far as the closed annular structure 12.
- the cover section 9 and the contact section 10 are formed in the same plane, the cover section 9 and the contact section 10 being formed at the end of the jacket section 3 at a rear end 15 of the plug 1 in the insertion direction of the plug 1.
- the cover section 9 and the contact section 10 are formed perpendicular to the axial direction Z. Like this in particular the Figs. 1 to 3 As can be seen, when the segments 5 are deformed radially inward, thus in the state inserted into the container 2, the second sections 8 form a closed surface.
- the respective segment 5 is designed as a partial area of a body of revolution, an axis of rotation 13 that can be assigned to the body of revolution of the respective segment extends outside an axis of symmetry 14 and parallel to the axis of symmetry 14 of the plug 1.
- the stopper 1 is also designed to be radially symmetrical to the axis of symmetry 14, the number of symmetry corresponding to the number of segments 5. The symmetry of the first embodiment of the plug 1 is thus 3-fold.
- the segments 5 form a closed, rotationally symmetrical body when the segments 5 are deformed radially inward in an area facing away from the connecting areas of the segments 5, which is has an advantageous effect on the covering effect and the sealing effect of the plug 1.
- the second sections 8 form circular sectors of a circle and the third sections 8 form circular ring sectors of a circular ring.
- the third embodiment of the plug 1 shown differ from the first embodiment of the plug 1 in the number of segments 5, the second embodiment having four segments 5 and the third embodiment having six segments 5.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Closures For Containers (AREA)
Abstract
Die vorliegende Erfindung betrifft einen Stopfen (1) für einen Behälter, insbesondere einen Stopfen für Behälter, die im Analytik- und Diagnostikbereich eingesetzt werden. Der Stopfen (1) weist einen in den Behälter einführbaren Mantelabschnitt auf, wobei der Mantelabschnitt eine in einer axialen Richtung ausgebildete Durchgangsöffnung aufweist, wobei der Stopfen (1) zumindest zwei Segmente (5) aufweist, wobei das jeweilige Segment (5) ein freies Ende aufweist, wobei ein erster Abschnitt des freien Endes des jeweiligen Segments (5) einen Teilbereich des Mantelabschnitts bildet und ein zweiter Abschnitt des freien Endes des jeweiligen Segments (5) radial innen gegenüber dem Mantelabschnitt hervorsteht, wobei ein dritter Abschnitt des freien Endes des jeweiligen Segments radial außen gegenüber dem Mantelabschnitt hervorsteht, wobei die zweiten Abschnitte einen in der axialen Richtung durchdringbaren, die Durchgangsöffnung verschließenden Abdeckabschnitt bilden, wobei die dritten Abschnitte einen Anlageabschnitt des Stopfens (1) bilden. The present invention relates to a stopper (1) for a container, in particular a stopper for containers used in the field of analysis and diagnostics. The stopper (1) has a jacket section that can be inserted into the container, the jacket section having a through opening formed in an axial direction, the stopper (1) having at least two segments (5), the respective segment (5) having a free end wherein a first section of the free end of the respective segment (5) forms a portion of the jacket section and a second section of the free end of the respective segment (5) protrudes radially inwardly with respect to the jacket section, a third section of the free end of the respective segment protrudes radially outwardly with respect to the casing section, the second sections forming a cover section which can be penetrated in the axial direction and closes the through opening, the third sections forming a contact section of the plug (1).
Description
Die vorliegende Erfindung betrifft einen Stopfen für einen Behälter, insbesondere einen Stopfen für Behälter, die im Analytik- und Diagnostikbereich eingesetzt werden. Bei dem Behälter kann es sich insbesondere um eine Flasche oder eine Küvette handeln. Zwecks Analyse einer Substanz, insbesondere einer Flüssigkeit, wie beispielsweise Blut, ist es notwendig, die zu analysierende Substanz aus dem Behälter zu entnehmen oder dem Behälter weitere Substanzen zuzuführen. Je nach durchzuführender Analyse wird dabei ggf. nur eine Teilmenge der in dem Behälter aufbewahrten Substanz entnommen und der Analyse bzw. dem Analysegerät zugeführt. Auch kann es sein, dass zwecks Analyse mehrfach Substanz aus dem Behälter entnommen wird oder mehrfach Substanzen zugeführt werden. In der Regel wird die zu analysierende Substanz mittels einer Pipettiervorrichtung oder einer Spritze aus dem Behälter entnommen oder dem Behälter weitere Substanzen zugeführt. Der Vorgang der Entnahme der Substanz aus dem Behälter kann dabei durchaus automatisiert erfolgen, beispielsweise mittels eines Pipettierautomaten. Hinsichtlich der zu analysierenden Substanz ist es insbesondere im Hinblick auf eine Mehrfachentnahme oder Mehrfachzuführung von Substanz aus dem bzw. in den Behälter notwendig, eine Verdunstung bzw. ein Abdampfen der im Behälter befindlichen Substanz sowie ein Eindringen von Fremdkörpern in den Behälter und somit in die zu analysierende Substanz zu vermeiden. Daher ist es notwendig, die Öffnung des Behälters zumindest teilweise abzudecken bzw. zu verschließen und dennoch eine einfache Entnahme der Substanz aus dem Behälter zu ermöglichen.The present invention relates to a stopper for a container, in particular a stopper for containers which are used in the analytical and diagnostic field. The container can in particular be a bottle or a cuvette. For the purpose of analyzing a substance, in particular a liquid such as blood, it is necessary to remove the substance to be analyzed from the container or to add further substances to the container. Depending on the analysis to be carried out, only a partial amount of the substance stored in the container may be removed and fed to the analysis or the analysis device. It can also be the case that substance is removed from the container several times for the purpose of analysis, or substances are supplied several times. As a rule, the substance to be analyzed is removed from the container by means of a pipetting device or a syringe or further substances are added to the container. The process of removing the substance from the container can be automated, for example by means of an automatic pipetting device. With regard to the substance to be analyzed, in particular with regard to multiple removal or multiple supply of substance from or into the container, it is necessary to evaporate or evaporate the in the container the substance and the penetration of foreign bodies into the container and thus into the substance to be analyzed. It is therefore necessary to at least partially cover or close the opening of the container and still allow easy removal of the substance from the container.
Zu diesem Zweck ist es bekannt, den Behälter mit einer dünnen Membran abzudecken, wobei die Membran geschlitzt ist, damit sie von der Entnahmevorrichtung, beispielsweise einer Pipettenspitze oder Kanüle, leicht durchdrungen werden kann. Die Herstellung derartiger Abdeckungen erfordert in der Regel ein nachträgliches Schlitzen der Membran, was einen zusätzlichen Arbeitsgang oder entsprechend komplizierte Werkzeuge erfordert. Eine derartige Membran kann beispielsweise Bestandteil eines Schraubdeckels sein, der auf den Behälter aufgeschraubt wird. Die Handhabung und Herstellung sind allerdings aufwendig, da in der Regel unterschiedliche Materialen für die Membran und den übrigen Deckel verwendet werden müssen. Zudem muss die Membran in einem zusätzlichen Arbeitsschritt geschlitzt und mit dem Deckel verbunden werden.For this purpose it is known to cover the container with a thin membrane, the membrane being slotted so that it can be easily penetrated by the removal device, for example a pipette tip or cannula. The production of such covers usually requires a subsequent slitting of the membrane, which requires an additional work step or correspondingly complicated tools. Such a membrane can, for example, be part of a screw cap that is screwed onto the container. The handling and production are complex, however, since different materials usually have to be used for the membrane and the rest of the cover. In addition, the membrane has to be slit and connected to the cover in an additional work step.
Aus der
Aufgabe der vorliegenden Erfindung ist es, einen Stopfen für einen Behälter zu schaffen, der zuverlässig ein Verdunsten von Substanz aus einem Behälter bzw. ein Eindringen von Fremdkörpern in den Behälter verhindert und dennoch ein einfaches Zuführen von Substanz in dem Behälter oder Entnahme von Substanz aus dem Behälter ermöglicht. Darüber hinaus soll der Stopfen besonders einfach herstellbar sein, insbesondere mittels eines Spritzgussverfahrens herstellbar sein. Insbesondere soll der Stopfen ohne nachträgliches Schlitzen herstellbar sein.The object of the present invention is to create a stopper for a container which reliably prevents the evaporation of substance from a container or the penetration of foreign bodies into the container and yet a simple supply of substance in the container or removal of substance from the Container allows. In addition, the stopper should be able to be produced particularly easily, in particular by means of an injection molding process. In particular, it should be possible to manufacture the stopper without subsequent slitting.
Diese Aufgabe wird durch einen Stopfen, der die Merkmale des Patentanspruchs 1 aufweist, gelöst.This object is achieved by a stopper which has the features of
Der erfindungsgemäße Stopfen weist einen in den Behälter einführbaren Mantelabschnitt auf, wobei der Mantelabschnitt eine in einer axialen Richtung ausgebildete Durchgangsöffnung aufweist. Der Stopfen weist zumindest zwei Segmente auf, wobei das jeweilige Segment ein freies Ende aufweist. Ein erster Abschnitt des freien Endes des jeweiligen Segments bildet einen Teilbereich des Mantelabschnitts und ein zweiter Abschnitt des freien Endes des jeweiligen Segments steht radial innen gegenüber dem Mantelabschnitt hervor. Ein dritter Abschnitt des freien Endes des jeweiligen Segments steht radial außen gegenüber dem Mantelabschnitt hervor. Die zweiten Abschnitte bilden einen in der axialen Richtung durchdringbaren, die Durchgangsöffnung verschließenden Abdeckabschnitt und die dritten Abschnitte bilden einen Anlageabschnitt des Stopfens.The stopper according to the invention has a jacket section that can be introduced into the container, the jacket section having a through opening formed in an axial direction. The stopper has at least two segments, the respective segment having a free end. A first section of the free end of the respective segment forms a partial area of the jacket section and a second section of the free end of the respective segment protrudes radially inwardly with respect to the jacket section. A third section of the free end of the respective segment protrudes radially on the outside with respect to the jacket section. The second sections form a cover section which can be penetrated in the axial direction and closes the through opening, and the third sections form a contact section of the plug.
Dadurch dass das jeweilige Segment ein freies Ende aufweist, sind die Segmente im Bereich der freien Enden unabhängig voneinander verformbar bzw. bewegbar. Insbesondere sind die zweiten Abschnitte des freien Endes des jeweiligen Segments unabhängig von den zweiten Abschnitten der freien Enden der anderen Segmente verformbar, wodurch ein axiales Durchdringen des Abdeckabschnitts, beispielsweise mittels einer Pipettenspitze oder einer Nadel oder eines sonstigen Entnahmeelements/Zuführelements, ermöglicht ist.Because the respective segment has a free end, the segments in the area of the free ends can be deformed or moved independently of one another. In particular, the second sections of the free end of the respective segment are deformable independently of the second sections of the free ends of the other segments, which enables axial penetration of the cover section, for example by means of a pipette tip or a needle or some other removal element / feed element.
Dadurch, dass die dritten Abschnitte radial außen gegenüber dem Mantelabschnitt hervorstehen und einen Anlageabschnitt des Stopfens bilden, kann in einfacher Art und Weise der Stopfen bezüglich des Behälters positioniert werden, da der Anlageabschnitt beim Einführen des Stopfens in den Behälter einen Anschlag bildet, der beim Einführen des Stopfens in den Behälter an einem eine Behälteröffnung umschließenden Behälterrand in der axialen Richtung zur Anlage kommt und insofern ein weiteres Einführen des Stopfens in den Behälter verhindert bzw. die Einführtiefe begrenzt. Der Anlageabschnitt ist auch hinsichtlich einer Durchdringung des Abdeckabschnitts mittels einer externen Vorrichtung, bspw. einer Pipettenspitze, vorteilhaft, da beim Durchdringen eine axiale Kraft auf den Abdeckabschnitt ausgeübt werden muss. Der Anlageabschnitt verhindert ein unerwünschtes weiteres Einführen des Stopfens in den Behälter und gewährleistet somit ein zuverlässiges Durchdringen des Abdeckabschnitts.Because the third sections protrude radially outwardly with respect to the jacket section and form a contact section of the stopper, the stopper can be positioned in a simple manner with respect to the container, since the contact section forms a stop when the stopper is inserted into the container of the stopper in the container comes to rest against a container edge enclosing a container opening in the axial direction and in this respect prevents further insertion of the stopper into the container or limits the insertion depth. The contact section is also advantageous with regard to penetration of the cover section by means of an external device, for example a pipette tip, since an axial force has to be exerted on the cover section during penetration. The contact section prevents undesired further insertion of the stopper into the container and thus ensures reliable penetration of the cover section.
Hinsichtlich der zweiten Abschnitte wird es als besonders vorteilhaft angesehen, wenn die zweiten Abschnitte unabhängig von den übrigen Abschnitten des jeweiligen Segments verformbar sind.With regard to the second sections, it is considered particularly advantageous if the second sections can be deformed independently of the other sections of the respective segment.
Es wird als vorteilhaft angesehen, wenn die zweiten Abschnitte eine geringere Materialstärke aufweisen als die dritten Abschnitte. Dadurch wird eine Verformung der zweiten Abschnitte bei Einwirken einer axialen Kraft auf den Abdeckabschnitt gegenüber einer Verformung des Anlageabschnitts begünstigt.It is considered advantageous if the second sections have a smaller material thickness than the third sections. As a result, deformation of the second sections when an axial force acts on the cover section is favored compared to deformation of the contact section.
Es wird als vorteilhaft angesehen, wenn der Abdeckabschnitt an einem in Einführrichtung des Stopfens hinteren Ende des Mantelabschnitts ausgebildet ist. Dadurch wird verhindert, dass sich Fremdkörper in einem dem Behälterinneren abgewandten Bereich der Durchgangsöffnung auf dem Mantelabschnitt ansammeln und bei einem Durchstoßen des Abdeckabschnitts in das Behälterinnere gelangen.It is considered to be advantageous if the cover section is formed at a rear end of the jacket section in the direction of insertion of the plug. This prevents foreign bodies from collecting on the jacket section in an area of the through opening facing away from the interior of the container and from getting into the interior of the container when the cover section is pierced.
Vorzugsweise sind die Segmente endseitig der Segmente mit benachbarten Segmenten verbunden.The segments are preferably connected to adjacent segments at the end of the segments.
Als besonders vorteilhaft wird es angesehen, wenn die Segmente im Bereich eines dem Anlageabschnitt abgewandten Endes des Mantelabschnitts miteinander verbunden sind. Insofern sind die Segmente im Bereich eines in Einführrichtung des Stopfens vorderen Endes des Mantelabschnitts miteinander verbunden.It is considered to be particularly advantageous if the segments join together in the area of an end of the jacket section facing away from the contact section are connected. To this extent, the segments are connected to one another in the region of an end of the jacket section which is front in the direction of insertion of the plug.
Vorzugsweise ist der Bereich des Mantelabschnitts, in dem die Segmente miteinander verbunden sind, als ringförmige geschlossene Struktur ausgebildet. Dadurch ist eine besonders hohe Stabilität der Verbindung der Segmente und des Stopfens als Ganzes gewährleistet. Eine geschlossene ringförmige Struktur ist auch insbesondere hinsichtlich eines Auswerfens des Stopfens aus einem Spritzgusswerkzeug als vorteilhaft angesehen.The region of the jacket section in which the segments are connected to one another is preferably designed as an annular, closed structure. This ensures a particularly high stability of the connection between the segments and the plug as a whole. A closed ring-shaped structure is also viewed as advantageous, in particular with regard to ejection of the stopper from an injection molding tool.
Vorzugsweise sind die Segmente stegartig ausgebildet.The segments are preferably formed like a web.
In einer bevorzugten Weiterbildung ist vorgesehen, dass der Mantelabschnitt einen Bereich mit sich in Richtung des Anlageabschnitts erweiternden Querschnitt aufweist oder der Mantelabschnitt einen sich in Richtung des Anlageabschnitts erweiternden Querschnitt aufweist. Als besonders vorteilhaft wird es angesehen, wenn die Erweiterung konisch ist. Aufgrund des sich erweiternden Querschnitts wird beim Einführen des Stopfens in den Behälter eine Verformung des freien Endes des jeweiligen Segments nach radial innen begünstigt. Aufgrund der Verformung nach radial innen wird eine besonders gute Abdichtung der Behälteröffnung erreicht und zudem ein Kraftschluss zwischen dem Stopfen und einer Behälterwandung bewirkt, wodurch der Stopfen besonders sicher in dem Behälter gehalten ist.In a preferred development, it is provided that the jacket section has a region with a cross section that widens in the direction of the contact section or the jacket section has a cross section that widens in the direction of the contact section. It is considered to be particularly advantageous if the enlargement is conical. Because of the widening cross-section, when the stopper is inserted into the container, deformation of the free end of the respective segment in a radially inward direction is promoted. Due to the deformation radially inward, a particularly good sealing of the container opening is achieved and, in addition, a force fit between the stopper and a container wall is achieved, whereby the stopper is held particularly securely in the container.
Vorzugsweise sind der Abdeckabschnitt und/oder der Anlageabschnitt endseitig des Mantelabschnitts ausgebildet.The cover section and / or the contact section are preferably formed at the end of the jacket section.
Als besonders vorteilhaft wird es angesehen, wenn der Abdeckabschnitt und der Anlageabschnitt in derselben Ebene ausgebildet sind.It is considered to be particularly advantageous if the cover section and the contact section are formed in the same plane.
Vorzugsweise sind der Abdeckabschnitt und/oder der Anlageabschnitt senkrecht zu der axialen Richtung ausgebildet.The cover section and / or the contact section are preferably formed perpendicular to the axial direction.
Der Abdeckabschnitt und/oder der Anlageabschnitt sind in einer bevorzugten Ausführungsform an einem in Einführrichtung des Stopfens hinteren Ende des Mantelabschnitts ausgebildet.In a preferred embodiment, the cover section and / or the contact section are formed on a rear end of the jacket section in the insertion direction of the plug.
Es wird als vorteilhaft angesehen, wenn ein Verhältnis einer axialen Erstreckung des ersten Abschnitts der Segmente zu einer axialen Erstreckung des Mantelabschnitts zumindest 80 Prozent beträgt. Bei einem derartigen Längenverhältnis kann bei relativ geringen Biegekräften im Verbindungsbereich zwischen dem Segment und dem übrigen Mantelabschnitt eine relativ große Verschiebung des dem Verbindungsbereich abgewandten Endes des Segments nach radial innen erreicht werden. Dies wirkt sich vorteilhaft auf die zerstörungsfreie Verformung der Segmente aus.It is considered advantageous if a ratio of an axial extension of the first section of the segments to an axial extension of the jacket section is at least 80 percent. With such a length ratio, with relatively low bending forces in the connection area between the segment and the rest of the jacket section, a relatively large displacement of the end of the segment facing away from the connection area in a radially inward direction can be achieved. This has an advantageous effect on the non-destructive deformation of the segments.
Als besonders vorteilhaft wird es angesehen, wenn die freien Enden benachbarter Segmente in einem Grundzustand des Stopfens voneinander beabstandet sind. Unter dem Grundzustand wird vorliegend ein Zustand des Stopfens ohne Einwirkung von äußeren Kräften verstanden.It is considered to be particularly advantageous if the free ends of adjacent segments are spaced apart from one another in a basic state of the plug. In the present case, the basic state is understood to mean a state of the plug without the action of external forces.
In einer bevorzugten Ausführungsform ist vorgesehen, dass ein minimaler Abstand benachbarter Segmente zumindest 0,8 mm, insbesondere zumindest 1,0 mm beträgt. Diese Abstände sind hinsichtlich einer Herstellung des Stopfens mittels eines Spritzgussverfahrens vorteilhaft.In a preferred embodiment it is provided that a minimum distance between adjacent segments is at least 0.8 mm, in particular at least 1.0 mm. These distances are advantageous with regard to the production of the stopper by means of an injection molding process.
Vorzugsweise ist der Stopfen radialsymmetrisch ausgebildet.The stopper is preferably designed to be radially symmetrical.
In einer besonders bevorzugten Ausführungsform ist vorgesehen, dass das jeweilige Segment als Teilbereich eines Rotationskörpers ausgebildet ist, wobei eine dem Rotationskörper des jeweiligen Segments zuordenbare Drehachse außerhalb einer Symmetrieachse des Stopfens verläuft. Vorzugsweise verläuft die jeweilige Drehachse außerhalb und parallel zu der Symmetrieachse des Stopfens. Diese Ausführungsform hat den Vorteil, dass, bei einer Verformung der Segmente nach radial innen, Teilbereiche der Segmente, insbesondere die zweiten und dritten Bereiche der Segmente, einen geschlossenen, rotationssymmetrischen Körper bilden, wodurch eine besonders gute Dichtwirkung des Stopfens erreicht wird.In a particularly preferred embodiment it is provided that the respective segment is designed as a partial area of a body of revolution, an axis of rotation that can be assigned to the body of revolution of the respective segment extends outside an axis of symmetry of the plug. The respective axis of rotation preferably extends outside and parallel to the axis of symmetry of the stopper. This embodiment has the advantage that when the segments are deformed radially inward, partial areas of the segments, in particular the second and third areas of the segments, form a closed, rotationally symmetrical body, whereby a particularly good sealing effect of the plug is achieved.
In einer bevorzugten Ausführungsform weist der Stopfen zumindest drei Segmente, vorzugsweise zumindest vier Segmente, insbesondere zumindest sechs Segmente auf. Durch die Anzahl der Segmente kann in einfacher Art und Weise die zwecks Durchdringens des Abdeckabschnitts aufzuwendende Kraft angepasst werden. Je mehr Segmente der Stopfen aufweist, desto geringer ist die aufzubringende Kraft.In a preferred embodiment, the stopper has at least three segments, preferably at least four segments, in particular at least six segments. The number of segments allows the force to be applied to penetrate the cover section to be adapted in a simple manner. The more segments the plug has, the lower the force to be applied.
Als besonders vorteilhaft wird es angesehen, wenn die Segmente beim Einführen des Stopfens in den Behälter nach radial innen, vorzugsweise elastisch, verformt werden.It is considered to be particularly advantageous if the segments are deformed radially inward, preferably elastically, when the stopper is inserted into the container.
In einer bevorzugten Ausführungsform ist vorgesehen, dass die zweiten Abschnitte bei Verformung der Segmente nach radial innen eine geschlossene Fläche bilden.In a preferred embodiment it is provided that the second sections form a closed surface when the segments are deformed radially inward.
Es wird als besonders vorteilhaft angesehen, wenn der Stopfen einteilig ausgebildet ist.It is considered to be particularly advantageous if the stopper is made in one piece.
Vorzugsweise sind die Segmente, insbesondere der gesamte Stopfen, aus einem elastischen Material gefertigt. Bei dem Material kann es sich beispielsweise um ein thermoplastisches Elastomer, beispielsweise um Polyethylen, handeln.The segments, in particular the entire stopper, are preferably made of an elastic material. The material can be, for example, a thermoplastic elastomer, for example polyethylene.
Es wird als besonders vorteilhaft angesehen, wenn die zweiten Abschnitte in einer Draufsicht in der axialen Richtung Kreissektoren eines Kreises bilden. Ferner wird es als vorteilhaft angesehen, wenn die dritten Abschnitte in einer Draufsicht in der axialen Richtung Kreisringsektoren eines Kreisrings bilden.It is considered to be particularly advantageous if the second sections form sectors of a circle in a plan view in the axial direction. It is also considered to be advantageous if the third sections form circular ring sectors of a circular ring in the axial direction in a plan view.
In einer bevorzugten Weiterbildung ist vorgesehen, dass in einem Querschnitt des Mantelabschnitts im Verbindungsbereich der Segmente das jeweilige Segment einen Kreisbogen eines Kreises bildet.In a preferred development it is provided that in a cross section of the jacket section in the connecting area of the segments the respective segment forms an arc of a circle.
Es ist durchaus denkbar, den Stopfen in Kombination mit einem mit dem Behälter verbindbaren Deckel zu verwenden. Der Deckel weist zu diesem Zweck eine Öffnung auf, zwecks Zugangs zum Abdeckabschnitt, wobei der Deckel den Stopfen gegen ein Herausziehen aus dem Behälter sichert.It is entirely conceivable to use the stopper in combination with a cover that can be connected to the container. For this purpose, the lid has an opening for the purpose of access to the cover section, the lid securing the stopper against being pulled out of the container.
In den nachfolgenden Figuren wird die Erfindung anhand von drei bevorzugten Ausführungsformen näher beschrieben, ohne hierauf beschränkt zu sein.In the following figures, the invention is described in more detail on the basis of three preferred embodiments, without being restricted thereto.
Es zeigen:
- Fig. 1
- eine Anordnung von einem Behälter und einer ersten Ausführungsform des Stopfens in einer perspektivischen Ansicht,
- Fig. 2
- die Anordnung gemäß
Fig. 1 in einer Draufsicht gemäß dem Pfeil II inFig. 3 , - Fig. 3
- die Anordnung in einer Schnittansicht gemäß der Linie III-III in
Fig. 2 , - Fig. 4
- der Stopfen gemäß
Fig. 1 in einer perspektivischen Ansicht, - Fig. 5
- der Stopfen gemäß
Fig. 4 in einer Ansicht gemäß dem Pfeil V inFig. 6 , - Fig. 6
- der Stopfen in einer Ansicht gemäß dem Pfeil VI in
Fig. 5 , - Fig. 7
- der Stopfen in einer Ansicht gemäß dem Pfeil VII in
Fig. 5 , - Fig. 8
- eine zweite Ausführungsform des Stopfens in einer perspektivischen Ansicht,
- Fig. 9
- der Stopfen gemäß
Fig. 8 in einer Ansicht gemäß dem Pfeil IX inFig. 10 , - Fig. 10
- der Stopfen in einer Ansicht gemäß dem Pfeil X in
Fig. 9 , - Fig. 11
- der Stopfen in einer Ansicht gemäß dem Pfeil XI in
Fig. 9 , - Fig. 12
- eine Schnittansicht des Stopfens gemäß der Linie XII-XII in
Fig. 11 , - Fig. 13
- eine dritte Ausführungsform des Stopfens in einer perspektivischen Ansicht,
- Fig. 14
- der Stopfen gemäß
Fig. 13 in einer Ansicht gemäß dem Pfeil XIV inFig. 15 , - Fig. 15
- der Stopfen in einer Ansicht gemäß dem Pfeil XV in
Fig. 14 , - Fig. 16
- der Stopfen in einer Ansicht gemäß dem Pfeil XVI in
Fig. 14 .
- Fig. 1
- an arrangement of a container and a first embodiment of the stopper in a perspective view,
- Fig. 2
- the arrangement according to
Fig. 1 in a top view according to arrow II inFig. 3 , - Fig. 3
- the arrangement in a sectional view along the line III-III in
Fig. 2 , - Fig. 4
- the stopper according to
Fig. 1 in a perspective view, - Fig. 5
- the stopper according to
Fig. 4 in a view according to the arrow V inFig. 6 , - Fig. 6
- the plug in a view according to arrow VI in
Fig. 5 , - Fig. 7
- the stopper in a view according to arrow VII in FIG
Fig. 5 , - Fig. 8
- a second embodiment of the plug in a perspective view,
- Fig. 9
- the stopper according to
Fig. 8 in a view according to the arrow IX inFig. 10 , - Fig. 10
- the plug in a view according to the arrow X in
Fig. 9 , - Fig. 11
- the plug in a view according to arrow XI in
Fig. 9 , - Fig. 12
- a sectional view of the plug along the line XII-XII in
Fig. 11 , - Fig. 13
- a third embodiment of the plug in a perspective view,
- Fig. 14
- the stopper according to
Fig. 13 in a view according to arrow XIV inFig. 15 , - Fig. 15
- the stopper in a view according to arrow XV in
Fig. 14 , - Fig. 16
- the stopper in a view according to arrow XVI in
Fig. 14 .
Die
Der Stopfen 1 weist einen in den Behälter 2 einführbaren Mantelabschnitt 3 auf, wobei der Mantelabschnitt 3 eine in einer axialen Richtung Z ausgebildete Durchgangsöffnung 4 aufweist. Der Stopfen 1 weist vorliegend drei Segmente 5 auf, wobei das jeweilige Segment 5 ein freies Ende aufweist. Die Segmente 5 sind an ihrem anderen Ende, vorliegend im Bereich eines in Einführrichtung des Stopfens 1 vorderen Endes des Mantelabschnitts 3, miteinander verbunden. Der Bereich, in dem die Segmente 5 miteinander verbunden sind, ist als ringförmige geschlossene Struktur 12 ausgebildet, wie insbesondere der
Wie insbesondere der
Wie insbesondere der
Der Abdeckabschnitt 9 und der Anlageabschnitt 10 sind in derselben Ebene ausgebildet, wobei der Abdeckabschnitt 9 und der Anlageabschnitt 10 endseitig des Mantelabschnitts 3 an einem in Einführrichtung des Stopfens 1 hinteren Ende 15 des Stopfens 1 ausgebildet sind.The
Der Abdeckabschnitt 9 und der Anlageabschnitt 10 sind senkrecht zu der axialen Richtung Z ausgebildet. Wie dies insbesondere den
Wie insbesondere aus der
Die in den
- 11
- StopfenPlug
- 22
- Behältercontainer
- 33
- MantelabschnittJacket section
- 44th
- DurchgangsöffnungThrough opening
- 55
- Segmentsegment
- 66th
- erster Abschnittfirst section
- 77th
- zweiter Abschnittsecond part
- 88th
- dritter Abschnittthird section
- 99
- AbdeckabschnittCover section
- 1010
- AnlageabschnittPlant section
- 1111
- Endeend
- 1212th
- Strukturstructure
- 1313th
- DrehachseAxis of rotation
- 1414th
- SymmetrieachseAxis of symmetry
- 1515th
- Endeend
- ZZ
- axiale Richtungaxial direction
Claims (15)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19212483.2A EP3828100B1 (en) | 2019-11-29 | 2019-11-29 | Stopper for a container |
US17/105,829 US11365029B2 (en) | 2019-11-29 | 2020-11-27 | Stopper for a container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19212483.2A EP3828100B1 (en) | 2019-11-29 | 2019-11-29 | Stopper for a container |
Publications (2)
Publication Number | Publication Date |
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EP3828100A1 true EP3828100A1 (en) | 2021-06-02 |
EP3828100B1 EP3828100B1 (en) | 2023-08-23 |
Family
ID=68732892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19212483.2A Active EP3828100B1 (en) | 2019-11-29 | 2019-11-29 | Stopper for a container |
Country Status (2)
Country | Link |
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US (1) | US11365029B2 (en) |
EP (1) | EP3828100B1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR892608A (en) * | 1943-03-19 | 1944-05-15 | Capping device | |
GB2026995A (en) * | 1978-08-01 | 1980-02-13 | Coulter Electronics | Closure Caps |
EP0097591A1 (en) | 1982-06-18 | 1984-01-04 | Fernando Xalabarder Miramanda | A stopper for containers for use in analyses |
EP1286776A1 (en) * | 2000-06-06 | 2003-03-05 | Advanced Biotechnologies Limited | Container closure |
EP3333096A1 (en) * | 2015-08-07 | 2018-06-13 | Pacplus Co. Ltd. | Stopper |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US697798A (en) * | 1902-01-22 | 1902-04-15 | George L Husband | Non-refillable bottle. |
US905652A (en) * | 1908-09-14 | 1908-12-01 | William Righter Comings | Closure. |
US1051242A (en) * | 1912-06-04 | 1913-01-21 | Charles B Lewis | Stopper, bung, or the like. |
US2637462A (en) * | 1949-04-21 | 1953-05-05 | United Carr Fastener Corp | Closure member |
US3338447A (en) * | 1965-09-22 | 1967-08-29 | Ct Lab Inc | Quick closing stopper |
US6536618B1 (en) * | 2000-10-31 | 2003-03-25 | Hsu-Rong Hwang | Bottle plug |
WO2002083515A1 (en) * | 2001-04-11 | 2002-10-24 | Chen, Chung-Chin | Bottle stopper |
TWI320020B (en) * | 2006-11-16 | 2010-02-01 | Expandable bottle stopper | |
US9783342B2 (en) * | 2014-02-24 | 2017-10-10 | Multiject Llc | Bottle closure having a hollow structure |
US9994367B2 (en) * | 2015-06-02 | 2018-06-12 | Mehdi Hatamian | Container stopper and opener |
-
2019
- 2019-11-29 EP EP19212483.2A patent/EP3828100B1/en active Active
-
2020
- 2020-11-27 US US17/105,829 patent/US11365029B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR892608A (en) * | 1943-03-19 | 1944-05-15 | Capping device | |
GB2026995A (en) * | 1978-08-01 | 1980-02-13 | Coulter Electronics | Closure Caps |
EP0097591A1 (en) | 1982-06-18 | 1984-01-04 | Fernando Xalabarder Miramanda | A stopper for containers for use in analyses |
EP1286776A1 (en) * | 2000-06-06 | 2003-03-05 | Advanced Biotechnologies Limited | Container closure |
EP3333096A1 (en) * | 2015-08-07 | 2018-06-13 | Pacplus Co. Ltd. | Stopper |
Also Published As
Publication number | Publication date |
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US11365029B2 (en) | 2022-06-21 |
EP3828100B1 (en) | 2023-08-23 |
US20210163185A1 (en) | 2021-06-03 |
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